package com.example;

public class StudentImprove {

    private String name;

    private Grade grade;

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public Grade getGrade() {
        return grade;
    }

    public void setGrade(Grade grade) {
        this.grade = grade;
    }

    public static class Grade {
        private Grade() {
        }

        public static Grade A = new Grade();
        public static Grade B = new Grade();
        public static Grade C = new Grade();
        public static Grade D = new Grade();
        public static Grade E = new Grade();
    }

}


